Deploying Machine Learning Techniques for Human Emotion Detection

Table 1

Selected key landmarks (vertices) and the corresponding MediaPipe landmarks.

Key landmark ID	MediaPipe landmark ID	Description
0	61	Mouth end (right)
1	292	Mouth end (left)
2	0	Upper lip (middle)
3	17	Lower lip (middle)
4	50	Right cheek
5	280	Left cheek
6	48	Nose right end
7	4	Nose tip
8	289	Nose left end
9	206	Upper jaw (right)
10	426	Upper jaw (left)
11	133	Right eye (inner)
12	130	Right eye (outer)
13	159	Right upper eyelid (middle)
14	145	Right lower eyelid (middle)
15	362	Left eye (inner)
16	359	Left eye (outer)
17	386	Left upper eyelid (middle)
18	374	Left lower eyelid (middle)
19	122	Nose bridge (right)
20	351	Nose bridge (left)
21	46	Right eyebrow (outer)
22	105	Right eyebrow (middle)
23	107	Right eyebrow (inner)
24	276	Left eyebrow (outer)
25	334	Left eyebrow (middle)
26	336	Left eyebrow (inner)